Ergodyne ProFlex 1650 Black Economy Elastic Back Support Belt With Detachable Suspenders Anchor Points 8" x 15 Feet ducting

8" x 15 Feet ducting and quick coupler

Detects Oxygen

Not to mention they are interchangeable with RKI's GX-2009 and GX-2012 4-gas monitors

The 18" signs come with a 10" handle

especially for long-term wear

Ergodyne ProFlex 1650 Black Economy Elastic Back Support Belt With Detachable Suspenders Anchor Points 8" x 15 Feet ductingThis all elastic knit back support naturally supports the wearer with its standard design and adjustable two stage closure. Adjust first for exact fit, then use single layer 5" elastic cinch strap for desired level of positive tension when ready to lift. Adjustable 1 1 2" knit elastic suspenders allow support to hang loosely when not lifting. Suspenders can also be detached. Machine washable (Black).